anonymous
  • anonymous
a. What are the coordinates of points P and Q where the line x=-1/2 intersects the unit circle? b. Explain how part (a) shoes that if cos(theta)=-1/2, then sin(theta)=plus or minus (square root of 3) /2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
|dw:1328330431802:dw| srry its messy:/
anonymous
  • anonymous
in the bottom corner, "x^2+y^2=1"
Hero
  • Hero
(-.5)^2 + y^2 = 1

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anonymous
  • anonymous
a. y=plus or minus (square root of 3) /2
anonymous
  • anonymous
b. x coordinates represent cos(theta), y coordinates represent sin(theta)

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